<!--
 * @Author: pengmingming
 * @Date: 2020-12-27 10:15:40
 * @LastEditors: pengmingming
 * @LastEditTime: 2020-12-27 10:23:27
 * @Description: 
-->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .circle {
            width: 100px;
            height: 100px;
            background: #fb3;;
            border-radius: 50%;
        }
        .circle2 {
            width: 150px;
            border-radius: 50%;
        }
    </style>
</head>
<body>
    <div class="circle"></div>
    <div class="circle circle2"></div>
</body>
</html>
